1/2 RC 12/19 7 May 2019 Subject : Report on the Company’s operating results for the first quarter of the year 2019 Attention : President of the Stock Exchange of Thailand The Board of Directors

ADMS 30/07 1/2 RC 23/19 6 August 2019 Subject : Report on the Company’s operating results for the second quarter of the year 2019 Attention : President of the Stock Exchange of Thailand The Board of

MMS-AC62/013 August 7, 2019 Subject: Management Discussion and Analysis of Operating Results for 2Q19 ending June 30, 2019 To: The President of the Stock Exchange of Thailand Matching Maximize Solution

POST 012/2020 13 May 2020 Subject Clarification on the operating results of the unaudited but reviewed consolidated financial statements for the first quarter of 2020 Bangkok Post Public Company

ADMS 30/07 1/2 RC 32/19 8 November 2019 Subject : Report on the Company’s operating results for the third quarter of the year 2019 Attention : President of the Stock Exchange of Thailand The Board of

the two languages, the Thai version shall prevail. The objective of this MD&A is to present the information and the explanation of financial status and operating results as of the date hereof. However

operating result for nine months Comparing accumulated operating results for 9 months with the same period of the prior year, the group’s profits increased by Baht 24.07 million, due to the following reasons

company and its subsidiaries’ operating result for the 1st quarter ended 31st March 2020 Unit: THB Million Q1/2020 Q4/2019 QoQ Q1/2019 YoY Total Revenue 43,070 50,146 -14% 45,535 -5% Accounting EBITDA

Bangkok, June 8, 2012 ? The SEC has received enquiries about details and conditions of subordinated debentures no.1/2012 to be issued by PTT Exploration and Production Plc. from investors obtaining

Operating Results of the Company in Q3/2019 Q3/18 Q3/19 (THB million) YoY Operating Revenue 287 219 (24%) Gross Profit 188 137 (27%) EBITDA 91 58 (36%) Net Profit for the Company 60 13 (78%) Gross profit